Test Code UIFE Urine Immunofixation with Free Light Chains, Quantitative

Important Note

Aid in the monitoring of patients with urinary monoclonal proteins (Bence Jones protein).

Additional Codes

3002104

Methodology

Qualitative Immunofixation and Electrophoresis/Quantitative Immunturbidimetry

Specimen Type

Urine

Preferred Collection Container

24 hr Urine

Collection Volume

Entire urine collection

Minimum Collection Volume

4 mL

Collection Instructions

Refrigerate during collection.

Record total volume and collection time interval on transport tube and test request form. Transfer two 4 mL aliquots from a well-mixed 24-hour collection to two transport tubes

Transport

Refrigerated

Rejection Criteria

Ambient temperature urine.

Specimen Storage and Stability

Ambient: Unacceptable; Refrigerated: 3 weeks; Frozen: 6 months

Turn Around Time

2-6 days

Lab Department

Referred Testing

Test Alias

3002104; Immunofixation with FLC; Free Urinary Kappa Light Chains; Free Urinary Kappa / Lambda Ratio; Free Urinary Lambda Light Chains; IFE; IFE Urine; Immunofixation Electrophoresis, urine; Monoclonal protein detection and quantitation, urine; Urinary Light Chains; Bence-Jones Protein; Bence Jones Protein

CPT Coding

84156; 86335; 83521 x2

EPIC Code

LAB1869

Acceptable Collection Container

24-hour urine. Refrigerate during collection. Also acceptable: Random urine specimens and urine supernate.

Testing Volume